Home / 9,213.27-12,714.66-5,235.06

Finding the Fourth Proportional to 9,213.27, 12,714.66 and 5,235.06

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Solution

The fourth proportional to 9,213.27, 12,714.66 and 5,235.06 is: 7,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.27 : 12,714.66 = 5,235.06 : x
  2. Step 2: Convert to fraction form
    9,213.27/12,714.66 = 5,235.06/x
  3. Step 3: Cross multiply
    9,213.27x = 12,714.66 × 5,235.06
  4. Step 4: Simplify right side
    9,213.27x = 66,562,007.98
  5. Step 5: Solve for x
    x = 66,562,007.98/9,213.27
  6. Step 6: Final answer
    x = 7,224.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.